Process and apparatus for burning oxygen with other gases.



A. R. BULLOGK. ARATUS FOR BURNNG OXYGEN WITH OTHER GASES.

Povss yMm APP A APPLICATION FILED .TAN.11,1908. I 1r Patented Dec. 14, 1909.

@MQW if y M52/ MV( y ffys;

-the acetylene or other J'ELANID, OHIO.

PRCESS AND APARATUS FR B'URNIITG OXYGEN VTH THR GASES.

Application lef Jennery il., 190. Serial No.

To ull 'whom l 'may concern.'

lle il' known that I fulmine i'. a, citizen of the Unit/ei" e Cleveland, in the county of friuli-eher State oi IUhio, have invented it eer und neefnl linproi-'e'inent in Freo Apparatus' for Lerning (xjgen W Gases, of which the following is and exact clescri '011, reference being had to the accompanying dren/ings.. This invention relates to @recess for burning especially acetylene, and to. en apparatus, in the shape ofla blow-pipe, fior carrying out said process. l

The object of theinvention is to so treat t with. oxygen to produce a llame of Vhigh ,ealorio :intensity without. danger of the lighting been of the -niixtlire within the l'iotly of the hurller or blow pipe wherein o mixture of oxygenanfl acetylene is produced. The terni oxygen is here und throughout the specification and claims need to distinguish fron; oxygen in e dilute state as it occurs in the air'k nt in the use of thiS terni l refer to substantially pure oxygen which is supplied in tenias nn i n other e, full, cleary article of commerce.

' 'e t *'f vien c in anions bod i* willed 1 t oi et A furtherobjeet of the invention to irovide an'apparatue for. carrying ont the above process which shell be simple oit construction and efficient in operation.

The aid apparatus ie disclosed in the 4drawings forming part hereof wherein-H Figure l represents a sido elevation. ein blow pipe and the connections for supplying the fuel elements thereto and' Fig 2 reprisents a central longitudinal section throngh the blowpipe shown in Fig. l.

Describing the parte by reference chere@ ters, l denotesl a hollow body having in the rear end thereof a relatively large cheinher 2 vprovided With un internal thr nfl. The said end into which are threndcfl nipee :and 6 respectively. Connection in provided with n l'here 7 communicating :with cheniher 2 and connection 4 1s provided with bore 8 co1n munie-ating with the front end of cheinher 2. lNithin chamber 52 there ismounted the plug 9, 52ml pluglbeing pro-vided with an external thread adapted to engage'the internal thread `on the inside of body l end being prox/'idool at its rear end with o milled operating heini 10. Between seid heed and the roer end the hollowhody l is inserted it ni'esher "il or soft rubber or similar re'ilient oompressisle Speccaton of .het

' tending troni and throng purpose to he described hereinafter.

lock nut MS Fatemi. librito-enten Meer in,

ino terial.

eorreeiponi" chamber Plug ire provided with ring-ly tapered jront eno'. of

tine herev i2 the front end )averse port i3. The hotly of the plug prt ideil with on annuler groove ift extending ti reeround Eind connnunicat in@ with Seid trainer-crise here. By tliis'oi'- rangement provnion is mede for consider- `hie lona. tudinel adjnetment of the plug, While maintaining communicz1-tion between hores i' and 'Body l tubular exto reduc-ed @rose`- body l and 'Wo on the ders 16 and tei-nelly il il body." l5 is ororidecl vs. iodine] doet. i9 erkenning; therethrough and coi'rin'iunicet at .its rezar end with chamber f2. 'l'hisdnct is of eonsiderahly larger aren than bore l! through block i). yrt its front end. the tubular horly l5 is provided witl` :i nozzle threaded thoreonto Said ncmzle being provided with a restricted here 2l extending therethrough and 'cmnniunienting with here il). The nozzle is tapered toward the front or discharge end thereof, Yfor n Surthe reduced tubular holly l5 is :i chamberu sind clniinhcr being formed by, ineens of erre-vera and Vbillet-vo 22 is provided with :i connection :Llj which is internally threaded for the reception of supply-pipe connection ind is providedwith e' here 36 communicating with the chamber or space 'formed oet-weon sleeves;y und 23 und members :nifl i vided at roer end l hy ineens ot' which it is attached to flange lo and is provided :it its frontend with e reducedthreaded flange 21.

Sleeve is provided et its rear end with' an internal thread. by menno of which it is det:ichohlL secured to flange 27 and is provided at its ront end with e nozzle seid nozzle being suhetan hilly lush with the end nozzle 20 and forming with the latter nozzle en annuler port 30 denotes e which is tl'ireeded onto hnge 2 7 it the rear of sleeve 2? and serves to look Said sleeve in position. Ell 32 and 33 denote thereof 'to n. t

ronneiix'ig en internal 'thread iii . y ISH- supply pipes communicating respectively willi connection 3, -l and 2l, valves 55h35 and lo being interposed between. said pipes and said connections. .lipel is connected witha .tanli or other source of oxygen under pressure, pipe 32 with a tanh orinlier Source ot' acetylene under light pressure and pipe with a tank or other source ot' oxygen under substantially' atmospheric pressure. The oxygen supplied top ipe :5l will he preferably under pressure ot" ten pounds, or more per square iiicli above the atmosphere; the acetylene supplied through pipe PS2 will be underpressure of a vfew ounces only.

With the parts arranged as above described, the operation will be as follows: ',llie oxygen suppliedA through bore '7 passes through bore l2 into the .t'ront end of chamber 2, entrains the. acetylene supplied through bore S and injectsthe same-in a well-known manner into the mixing duct 19. rlhe acetylene and oxygen aremixed in the 'latter duct and delivered. in fa line jet through bore 2l. llore 2l is made small for vthe purpose of prevei'iting as inuch as possible the tendency to back tiring. The velocity vand. pressure under which they mixture escapes maintains a steady, rigid flame. 'l`he llame thus produced high in ca'lorilic etliciency and is useful for many purposes, but l have found iii use that, in order to obtain an intense heat, it is necessary to sup'- ply oxygen in such proportion as to produce an explosive 'mixture,' and that, notwithstanding the si'nall diameter of Ibore 2l,

.lighting or tiring back. will occur within the burner or blow pipe. 'lol avoid this, l

supply through connection 7 a smaller quan- I. tity oit oxygen than is necessary for the coniplete combustion of the gas ventrained through connection 8 and. add to the llame,

beyond the outletof the blow pipe or burner,

an additional increment of oxygen, whereby the acetyleiieris burned iii the presence of sullicient oxygen to produce a maximum eflicieney therefrom without the danger of lighting back within the blow pipe. The additional oxygen is supplied through coniiection 2l to the chamber surrounding the tube which conducts the mixture `of acetylene and oxygen to the .mouth of the blow pipe, tliejet issuing from the'nozzleQOentraining' thev oxygen and drawing it through .said chamber by aspiration.v beine ofthe oxygen supplied betilvet-:ngnozzles 2() andSv is' drawn into the mixture issuing from nozzle 20 and it `is believed that.I oxygen surrounds or. envelop; this mixture,

whereby the-burning ofthe .mixture of oxygen and acetylene issuing` from' nozzle` 2t)A occurs within an atmosphere of oxygen, 'as indicated in Fig. 2.

By adjusting nozzle 28 along flange-Q7, f

the size of the annular port formed between nozzles 20 'and 28 can be varied.v After havanc of suching beeirad'usted to desired position, Iby,

screwing lo'cc Lnut 30 against tube 23 the latter .tube may. be securedrmly in place, \`vliereby. the adj ust-ment between'nozzles 20 `and"'98 may be maintained. In a similarl manner lthe orili'ce formed between Athe front,-

.- end of plug 9 and the tapered surface 12 lwhich connects chamber 2 with mixing duct 19 may be controlled by adjustment of plug t). As this plug is screwed along the cham- @ber 12, the head 10 brings the washer 1l against the rear end. of the chamber. This washer is preferably of soft rubber, whereby it may be compressed, thus serving to revent the escape of gas and acting as a ook saidpliig. y

The apparatus above described is well' adapted for carrying out my process, whichv consists, generally, in projecting a mixture of acetylene (or other gas) and oxygen containing less oxygen than sulicient to A-produce :in-explosive mixture and supplying to 'said mixture .at a pointv outside the apparatus sutlicient quantity of oxygen at substantially atmospheric pressure to complete the combustion of the aforesaid mixture; also in enveloping a mixture of acetylene (or other gas) with an atiiiiospliere of oxygen which produces complete and concentrated combustion ofjthe said mixture.

nut to prevent the subsequent unserewing of l While vl have, in the`specilieation, referredA to the use-ofthe process in connection with acetylene, I do not propose to be limited t0 this particular gas, as the process. may be applicable to the combustion of other gases.

Having described my invention, I claim l.. The process of burning oxygen and gasl which consistsn in mingling Ioxyvfen under pres-'ure with gasin a mixer, supplying oxygen at substantially atmospheric pressure to 4of oxygen -under high the mixture beyond the mixer, andfigniting said mixture.

2. The process of burning gas and oxyven which consists iny projecting a relatively '-line'V jet ot Mygcn'under'high pressure into the mixing chamber. of a burner, entra-innig by said jet ott oxygen gas at. a pressure slightly above that of the atmosphere, mixing the oxygen under pressure and lthe gas in a mixing chamber, and enveloping the mixture at a pointbeyond the mixing chamber with an iotatmosphere ,of oxygen under substantiallyatniosjiheric pressure.

.lhe process ofburning oxygen and .1.20

at' su stantiaiiy etmospherin pressure lto oxygen, the oxygen being under pressure, anni mixture 'containing iess oxygen than oxygen uncier'preserre, eeioi mixture coni taining iess oxygen then necessary for the coziipiete combustion of acetylene, end eup piyin to sei-d mixture, beyond the mining cham er, e .Suicient quantity of' oxygen et Y substantially atmoepherie pressure to com. plete the Combustion of the aforesaid mix-- ture.

- 5; The process or burning oxygen and gas which consists in projecting oxygen under high rassure into e mixing tube, entrainingl there y e quantity of'ges in excess of. thnt with which said oxygen willfoombine .to produce complete combustion, iid admitting to the mixture lof oiq'geuv yondjthe mixinv tube an additioneiieuppiy of oxygen compiete the comhustionofsnid ges.

6. The 'process o burning oxygen end eeetyiene, which consists 'in projectinge 'et of ox gen under pressnre'ntoe mixing tu e, there Vy entre-innig a su ply of ecetyiene which is snppiie at siistentielly atmosphex'ic pressure, and supplying oxygen et s'ubstantiaiiy V'ntrnoe'pheric pressure in n. xnenner so as to envelop themixturc as' it from the'outiet end o the mixing in n.

T, The moese of burning acetylene anti oxygen, w nich eonsietsin forming within o' mixing chnrnher 'a mixture of acetylene with requireri for the complete combustion of the acetylene, and snppiying to said mixture a sniiicient quantity of oxygen at suhstantialiy :atmospheric pressure to complete the comhnsti'on of the mixture in e manner se es to envelop the mixturel as it passes from the onthzt end of the mixing chamber.

8. A hiow pipe comprising o tnhuhar body having nt its rear end an eniaiged chamber communicating with :i reduceti mixing duct extending ihren h 'the front end of sai-:i body, sind chain er being provided with n pair of connections and having o tapered surface et the junction thereof with the mixing duct and aiso having ay connection uonmnuiiceting with the Said cheminer inijncont to the reduced portion thereof nml with. o connection located at the rear of the foi-nier connection, n plug threaded into Suid l chamber and having :t transverse port and o. iongitudinal reduced here extending from Sei@ transverse port to thc front end thereof,

yand en annuler port surrounding and comi municating withthe transverse port and so located as to communicate with the rear con-`A nection, und u nozzle secureri to the front end of said hollow body and provided with o restrictedV bore communicating with the mixinfi duct.

9.11111 blow pipe, the combination of a' body having therein u chamber provided with a pair o iinid connections and having an elongated extension ein the front end thereof provided with o mixing duct communicntln with said chamber, .a ping in said cham er having en axial bore and a transversely extending port adapted to com-V mnnicete with 'one or seid connections, n

tapered nozzle on said hotly having a re duced here communicating with the mixing,` dnct,1zincln sleevev surrounding the mixing -finctondlprovidedwith a, tapered nozzle orinin l e port with the ormer'nozzie, said eieeve lving e connect1on,nnd means for 'adjusting the iatter nozzle with-respect to .the former nozzle.

ii). in a blow pipe,thc combination of :i hoilow'hody having at thc rcnr cnil thereof n chaiinher with connections forsnppiying uids thereto and having u mixingt Aduct extendin from seid harnber, means for reguieting the iiow of the iiinids seid duct, a sleeve'memher surrounding the rear portion of' the mixing duct and having' :i threaded; fiange thereon, e second Sleeve member surrounding the front portion of said mixing duct andihrceded onto the flange of said first sleeve member, e lock mit from -said chamber intoalso threaded on said fiange, seid secondi sleeve member being provided with ntapercd onglet nozzle. and' e tapered nozzie on the end of the mixing duct having the end thereof projecting into the discharge enti of the i'olnnr nozzle.

in testimony whereof, if hereunto aisix my signature in the presence of two Witnesses. 

